Find cost of 10 note books is Rs = 6.50 find cost of 19 note books
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Answer:
Step-by-step explanation:
Cost of 10 note books=6.50/_
Cost of 1 note book= 6.5÷10=0.65/-
Cost of 19 note books = 0.65*19= 12.35/-
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Cost of 1 notebook =6.50
Cost of 1nb=6.50÷10=0.65
Then cost of 19 nbs =0.65×19=15.35
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